Specialized HOTROCK 12 BOYS 2009 VS Trek KDR 7.2 FX 2008 specs comparison
Specialized Hotrock 12 Boys
General Infos| Model | Hotrock 12 Boys |
| Manufacturer | Specialized |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Gloss Red -Gloss Green |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 12 X 2.125 (inches) Specialized |
| Bike rear tire | Not Available |
| Bike wheel size | 12 (inches) Wheels |
| Brakeset type | Coaster Rear |
| Hubs for disc brakes | Rear: Joy Tech Steel Nutted Coaster Front: Joy Tech Steel Nutted |
| Rims manufacturer | 16-hole Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. UCP |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy Quill |
| Headset size | 1 (inches) Threaded |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 28 Teeth Heat Treated Hi-Ten |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
Specialized Hotrock 12 Boys Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown A1 Premium Aluminum and Hi-Ten |
| Fork type | Specialized |
Other Specs of Specialized Hotrock 12 Boys
| Component group sets | Juvenile Mix |
| Pedals details | Composite |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Kid's |
| Seat post extension | 22.2 (millimeters) Diameter Integrated Steel Post |
Trek KDR 7.2 FX
General Infos| Model | KDR 7.2 FX |
| Manufacturer | Trek |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Blue-Blue Duotone |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 24 X 1.50 (inches) Bontrager |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Shimano EF-50 Levers Tektro Alloy V-brake Brakes |
| Hubs for disc brakes | Rear: Shimano RM60 Front: Alloy |
| Rims manufacturer | Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha SL Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Crowbar Sport |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Sport |
| Headset size | Aheadset |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 22/32/44 Teeth Bontrager Sport |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 12 - 23 Teeth 8-speed |
Trek KDR 7.2 FX Fork System Data
| Derailleur (Front) | Shimano C102 |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Aero Crown High-tensile Steel |
| Fork type | Not Available |
Other Specs of Trek KDR 7.2 FX
| Component group sets | Shimano Mix |
| Pedals details | Alloy and nylon Road |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager |
| Seat post extension | Alloy Micro Adjust Suspension |
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Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 12 Boys bike manual
- Find All parts, tires and accessories of Specialized Hotrock 12 Boys Youth here
- Get your Trek KDR 7.2 FX manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek KDR 7.2 FX Youth here
